Math Problem Statement

Graph the line with the equation y = -x - 6.

Solution

To graph the line represented by the equation y=x6y = -x - 6, follow these steps:

  1. Identify the Slope and Y-intercept:

    • The equation is in slope-intercept form, y=mx+by = mx + b, where mm is the slope and bb is the y-intercept.
    • Here, m=1m = -1 and b=6b = -6. So, the slope is 1-1 and the y-intercept is 6-6.
  2. Plot the Y-intercept:

    • Start by plotting the point (0,6)(0, -6) on the graph. This is where the line crosses the y-axis.
  3. Use the Slope to Find Another Point:

    • The slope 1-1 means that for every 1 unit you move to the right on the x-axis, you move 1 unit down on the y-axis.
    • From the point (0,6)(0, -6), move 1 unit right (to x=1x = 1) and 1 unit down (to y=7y = -7), giving you the point (1,7)(1, -7).
  4. Draw the Line:

    • Using the points (0,6)(0, -6) and (1,7)(1, -7), draw a straight line through them. This line extends across the graph in both directions.

This will create the graph for the line y=x6y = -x - 6.

Would you like further details on graphing lines, or do you have any questions?


Related Questions:

  1. How do you determine the slope and y-intercept from an equation?
  2. What steps would change if the slope were positive?
  3. How can you graph a line using the x-intercept and y-intercept?
  4. What happens to the line if you change the equation to y=2x6y = -2x - 6?
  5. How do you convert between different forms of linear equations?

Tip: When the slope is negative, the line falls from left to right.

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Math Problem Analysis

Mathematical Concepts

Linear Equations
Graphing Lines
Slope-Intercept Form

Formulas

y = mx + b, where m is the slope and b is the y-intercept

Theorems

Slope-Intercept Form

Suitable Grade Level

Grades 7-10